There’s something brewing in the U.S. District Court of Southern California, and it’s a legal battle between Stone Brewing, a San Diego craft brewery, and Molson Coors Brewing Company subsidiary MillerCoors, maker and marketer of “Keystone” beer. The center of the dispute? MillerCoors’ new Keystone cans featuring the word “Stone” in all capital letters, which Stone Brewing co-founder Greg Koch claims is an infringement of the craft brewery’s STONE® trademark, which the USPTO registered in 1998.

Click here for more from BREWBOUND® on the story, to read the complaint and a press release.

Lesson to be learned? Before brewing a change to your trademark, make sure you’re not hopping on someone else’s trademark rights!